SGC-Chem Test 2 SP2
A) It is composed of protons and neutrons B) It is composed of protons only C) It is composed of electrons and neutrons D) It is composed of protons and electrons
A) - B) + C) 0
A) have an equal number of electrons and protons. B) have neutrons in their nuclei. C) have an equal number of charged and noncharged particles. D) have an equal number of neutrons and protons.
A) cooking eggs B) breaking a pencil C) burning wood D) digesting food
A) Alphabetical Order B) Discovery Date C) Atomic Mass D) Atomic Number
A) Neutrons B) Valence Electrons C) Protons and Neutrons D) Protons
A) color B) density C) shape D) pH
A) eight neutrons in its nucleus. B) a total of eight protons and neutrons. C) eight protons in its nucleus. D) a total of eight neutrons and electrons.
A) protons plus the number of neutrons. B) neutrons. C) protons plus the number of electrons. D) protons.
A) They form negative ions with a -1 charge. B) They are extremely nonreactive. C) They are located in the left-most column of the periodic table. D) They are usually gases.
A) They are extremely rare in nature. B) They form compounds with very bright colors. C) They are highly reactive with both metals and nonmetals. D) a basically nonreactive.
A) have only 1 valence electron B) exist in all three states of matter in normal conditions C) are nonreactive D) are all metals
A) On the left-most side. B) On the right side. C) In the middle column of the periodic table. D) In the bottom rows.
A) color; smell B) location; ionization C) number; mass D) mass;number
A) 12 neutrons B) 8 neutrons C) 3 neutrons D) 6 neutrons
A) Alkaline Earth B) Noble Gases C) Halogens D) Alkaline Metals
A) Noble Gases B) Halogens C) Alkaline Earth D) Akali
A) Halogens B) Alkaline Earth C) Noble Gases D) Alkali
A) Noble Gases B) Halogens C) Alkali D) Alkaline Earth
A) 2 B) 4 C) 5 D) 3
A) nonmetals B) metalloids C) metals
A) Einstein B) Ms. Watson C) Mendleev D) Mosely
A) by date discovered B) according to atomic number C) According to atomic mass D) alphabetically
A) Atomic Number-Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Number D) Atomic Mass
A) Atomic Mass B) Atomic Number C) Atomic Number-Atomic mass D) Atomic Mass-Atomic Number
A) neutrons B) nucleus C) electrons D) protons
A) flammability B) reactivity C) color D) pH
A) pH B) shape C) texture D) density
A) burning B) adding dye C) breaking D) crushing
A) rusting B) breaking C) precipitate forming D) burning
A) vary within the same element B) only can be seen in a few elements C) can be observed with senses D) can only be observed by changing the substance
A) cn only be observed by changing the substance B) vary within the same element C) can be observes with the senses D) only can be observed in a few elements
A) physical B) chemical
A) physical B) chemical
A) it will float B) it will sink C) not enough information
A) second B) kelvin C) liters D) meters
A) hours B) meters C) grams D) kilograms
A) accurate B) both accurate and precise C) precise D) nethier accurate or precise
A) 1/1,000 B) 100 C) 1,000 D) 1/100
A) dependent B) constant C) control D) independent
A) strawberries B) growth C) fertilizer D) length of study
A) 2,500m B) 0.0025m
A) 16.5g B) 1.65g
A) 9.470x102 B) 9.470x10-2
A) 4.2x103 B) 4.2x10-3
A) 0.0000875 B) 875,000
A) 63,400 B) 0.00634
A) constant B) dependent C) control D) independent
A) graduated cylinder B) beaker C) tongs D) stirring rod
A) 16 B) 10 C) 0 D) 13
A) 35 B) 19 C) 17 D) 18
A) 10 B) 14 C) 26 D) 12
A) 18 B) 10 C) 8 D) 2
A) 5.7 amu B) 57 amu C) 0.57 amu D) 115 amu
A) 2 B) 4 C) 3 D) 1
A) 2 mol B) 67.2 mol C) 89.6 mol D) 0.5 mol
A) 2.107x1024 atoms B) 21.07 atoms C) 1.72x1023 atoms D) 5.8x1022 atoms
A) 12,144ft B) 2,295ft
A) 33.3kg B) 6.75kg
A) Dalton B) Bohr C) Rutherford D) Thomson
A) Thomson B) Democritus C) Rutherford D) Chadwick
A) Rutherford B) Bohr C) Shrodinger and Heisenburg D) Thomson 
A) Rutherford B) Bohr C) Dalton D) Thomson
A) All matter is made of atoms. B) Atoms of the same element are exactly alike. C) Atoms combine to form compounds in simple whole number ratios.
A) Chadwick B) Bohr C) Rutherford D) Dalton
A) Electrons are positively charged. B) The mass of electrons is much smaller than the mass of protons and neutrons. C) Electron number never changes. D) The mass of protons and neutrons are much smaller than the mass of the electron.
A) positive charge B) larger mass C) smaller mass D) negative charge
A) neutrons B) electrons C) protons D) positrons
A) 1.33g/ml B) 3g/ml C) 72g/ml D) 0.33g/ml
A) 17.5g B) 10.7g C) 0.094g D) 16g |
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